U.N. atomic agency chief

Joe Klamar / AFP/Getty Images

Mohamed ElBaradei, director-general of the International Atomic Energy Agency, attends a meeting of the Vienna-based United Nations organization's board of governors at which he said, "There has been no movement on remaining issues of concern which need to be clarified for the agency to verify the exclusively peaceful nature of Iran's nuclear program."

Mohamed ElBaradei, director-general of the International Atomic Energy Agency, attends a meeting of the Vienna-based United Nations organization's board of governors at which he said, "There has been no movement on remaining issues of concern which need to be clarified for the agency to verify the exclusively peaceful nature of Iran's nuclear program." (Joe Klamar / AFP/Getty Images)

Mohamed ElBaradei, director-general of the International Atomic Energy Agency, attends a meeting of the Vienna-based United Nations organization's board of governors at which he said, "There has been no movement on remaining issues of concern which need to be clarified for the agency to verify the exclusively peaceful nature of Iran's nuclear program."